Question about Drills
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Posted on Jan 02, 2017
Are you talking about the chuck key? That's the little wrench with a collar of gear teeth on it.
There are only a few standard sizes plus a couple of odd-balls. Last time I looked, Sears carried a good selection. If you have the old one, take it with you to the store. If you don't have the old one, find a way to measure or approximately measure what you need. Another chuck key that doesn't fit can be a useful reference. If you can find something (maybe a drill bit) that is a close fit into one of the three holes in the chuck, that can be useful too.
Posted on Jan 19, 2010
SOURCE: I have a Guardina Power
The chuck is held in by the tapered shaft and friction. Make sure the tapered shaft on the chuck is clean with no burrs. Do the same for the socket side in the spindle. Swing the table out of the way and set a wood block under the chuck. Bring the spindle/chuck down into the block quite firmly which should lock the two tapered parts together. Hope this helps as it worked on my drill press!
Posted on Nov 19, 2010
SOURCE: The chuck slides off the
You can increase your knowledge of Morse Taper by taking a look at the link below:
The mating surfaces must be clean and mate perfectly for a good hold. If your chuck has been slipping for some time, metal may have worn away from the sides allowing for loose fit. Look into the chuck and see if the spindle has been hitting the bottom of the chuck. If the spindle is hitting bottom, the inside of the chuck must have worn allowing the spindle to hit bottom before the side. You could buy a new chuck or try fileing /grinding the bottom of the spindle so that it does not reach bottom before the sides can set. If the spindle is not hitting bottom, try cleaning the spindle and chuck with lapping /valve grinding compound to smooth all surfaces(apply compound and insert chuck onto spindle and turn by hand). Try just a few turns with compound to reveal high spots, or if you get an even grind, continue with fine compoind to make perfect mating contact. Test often so as not to grind away too much metal. Clean both surfaces and start drilling!
Posted on Jul 29, 2011
The chuck on 99% of the drill presses is just a press fit. The end of the spindle where the chuck goes on is slightly tapered to hold it on. Make sure the end of the spindle and inside surface of the chuck are very clean. With the motor off, raise the table high enough so you can still get the chuck on the spindle then turn the handle to lower the chuck against the table and press it firmly against the table to wedge the spindle in the chuck. There shouldn't be any need for anything more than this.
Posted on Apr 16, 2012
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